items = [
    ['01', '电风扇', '美的', 500],
    ['02', '洗衣机', 'TCL', 1000],
    ['03', '微波炉', '老板', 400]
]

# 循环
s = '编号\t\t名称\t\t\t品牌\t\t单价\n'
for v in items:
    for kk, vv in enumerate(v):
        if kk == 0:
            ss = '%05d' % int(vv) + '\t'
        else:
            ss = str(vv) + '\t'
        s += ss
    s += '\n'

print(s)

# 推导式
matrix = ['\t\t'.join(map(str, row)) for row in items]
result = '\n'.join(matrix)
print(result)
